Formula 1 pre-season testing continued in Bahrain as Mercedes and Valtteri Bottas made up for lost time by returning to the top of the timesheet.
Red Bull again racked-up mileage ahead of the new season, despite Sergio Perez 's engine cover spectacularly disintegrating down the start-finish straight at the Bahrain International Circuit in the afternoon.
Aston Martin recovered from a gearbox issue that reduced Sebastian Vettel 's time in the car to just 10 laps to go third quickest with Lance Stroll , whilst Fernando Alonso marked his return to F1 with a metronomic performance for Alpine.
But it was Haas who completed the highest number of laps as rookies Nikita Mazepin and Mick Schumacher shared driving duties.
Overall, where has the second day of running left the drivers and teams in terms of accumulated mileage? GPFans has done the maths...
Drivers' lap count - pre-season testing day two
1. Nicholas Latifi [Williams ] - 132 laps - 714.384km
2. Fernando Alonso [Alpine] - 128 laps - 692.736km
3. Antonio Giovinazzi [Alfa Romeo ] - 125 laps - 676.500km
4. Sergio Perez [Red Bull] - 117 laps - 633.204km
5. Mick Schumacher [Haas] - 87 laps - 470.844km
6. Pierre Gasly [AlphaTauri] - 86 laps - 465.432km
7. Nikita Mazepin [Haas] - 76 laps - 411.312km
8. Charles Leclerc [Ferrari ] - 73 laps - 395.076km
9. Lance Stroll [Aston Martin] - 71 laps - 384.252km
10. Lewis Hamilton [Mercedes] - 58 laps - 313.896km
11. Yuki Tsunoda [AlphaTauri] - 57 laps - 308.484km
12. Valtteri Bottas [Mercedes] - 57 laps - 308.484km
13. Carlos Sainz [Ferrari] - 56 laps - 303.072km
14. Daniel Ricciardo [McLaren ] - 52 laps - 281.424km
15. Lando Norris [McLaren] - 52 laps - 281.424km
16. Sebastian Vettel [Aston Martin] - 10 laps - 54.120km
Constructors' lap count - pre-season testing day two
1. Haas - 163 laps - 882.156km
2. AlphaTauri - 143 laps - 773.916km
3. Williams - 132 laps - 714.384km
4. Ferrari - 129 laps - 698.148km
5. Alpine - 128 laps - 692.736km
6. Alfa Romeo - 125 laps - 676.500km
7. Red Bull - 117 laps - 633.204km
8. Mercedes - 115 laps - 622.380km
9. McLaren - 104 laps - 562.848km
10. Aston Martin - 81 laps - 438.372km
Constructors' lap count - pre-season testing total
1. Alpine - 257 laps - 1390.884km
2. Alfa Romeo - 256 laps - 1385.472km
3. Red Bull - 256 laps - 1385.472km
4. AlphaTauri - 254 laps - 1374.648km
5. Haas - 248 laps - 1342.176km
6. Ferrari - 245 laps - 1325.940km
7. Williams - 215 laps - 1163.580km
8. McLaren - 195 laps - 1055.34km
9. Aston Martin - 178 laps - 963.336km
10. Mercedes - 163 laps - 882.156km
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